[" Investigate for what values of "lambda,mu" the simultaneous equations."],[x+y+z=6,x+2y+3z=10,x+2y+lambda z=mu],[" have (i) no solution,(ii) a unique solution,(iii) an infinite number of solutions."]

Investigate for what values of lambda,mu the simultaneous equations x+y+z=6:x+2y+3z=100:x+2y+lambda z=mu have:

In vestigate the values of lambda and mu the system of linear equations 2x+3y+5z=9,7x+3y-5z=8, 2x+3y+ lambda z= mu , have (i) no solution (ii) a unique solution (iii) an infinite number of solutions.

Investigate for what values of lambda, mu the simultaneous equations x + y + z = 6, x + 2 y + 3 z = 10 & x + 2 y + lambda z = mu have, A unique solution.

Investigate for what values of lambda, mu the simultaneous equations x + y + z = 6, x + 2 y + 3 z = 10 & x + 2 y + lambda z = mu have, An infinite number of solutions.

. For what values of lambda and mu the system of equations x+y+z=6,x+2y+3z=10,x+2y+lambda z=mu has (i) Unique solution (ii) No solution (iii) Infinite number of solutions

. For what values of lambda and mu the system of equations x+y+z=6, x+2y+3z=10, x+2y+lambdaz=mu has (i) Unique solution (ii) No solution (iii) Infinite number of solutions

. For what values of lambda and mu the system of equations x+y+z=6, x+2y+3z=10, x+2y+lambdaz=mu has (i) Unique solution (ii) No solution (iii) Infinite number of solutions

Investigate for what values of lambda and mu the system of linear equations. x + 2y + z = 7, x + y + lambda z = mu , x + 3y - 5z = 5 . Has (i) no solution (ii) a unique solution (iii) an infinte number of solutions. (b) P prpresents the variable complex number z. Find the locus of P , if Re ((z+1)/(z+i)) = 1 .